Surfacing unit



FIG. 1 is a top plan view of a surfacing unit showing our new design;

FIG. 2 is an elevational view taken along line 2--2 in FIG. 1;

FIG. 3 is an elevational view taken along line 3--3 in FIG. 1;

FIG. 4 is an enlarged fragmentary top perspective view of a corner ofthe unit; and

FIG. 5 is a bottom plan view.

The characteristic features of our design are the side structures,including the slots and extensions.

The ornamental design for a surfacing unit, substantially as shown anddescribed.